Rheostats are “often used as power control devices, for example to control light intensity (dimmer), speed of motors, heaters, and ovens.”
The strength of a theory can be gauged by how well it stands up to attacks and how well it incorporates new evidence.
The literature is looking at the same data that intelligent design proponents are looking at, making similar observations, and asking similar questions.
Fans of H. G. Wells are probably familiar with his 1904 short story, “The Country of the Blind.”
“Nothing in biology makes sense except…” Go ahead; complete that sentence yourself, with a yawn.